4.The files in the selected directory are displayed in the right panel. Click to select the file to be deleted. To select more than one file, press and hold the Ctrl key on the keyboard while selecting the files. To select all files, click the first file, press and hold the Shift key on the keyboard, and then click the last file.
5.Press the Delete key on the keyboard to delete all selected files from the Joybee 180.
Note that Joybee 180 supports WMA DRM files as well. You have to transfer the these files with Windows Media Player 9, or your Joybee 180 won’t be able to recognize nor playback them.
WMA DRM stands for Microsoft Windows Media Digital Rights Management, which provides secure files distribution and ease of use.
Please refer to relevant website below for information:
http://www.microsoft.com/windows/windowsmedia/drm/default.aspx
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